Home / 3,579-4,941.45-2,184.18

Finding the Fourth Proportional to 3,579, 4,941.45 and 2,184.18

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Solution

The fourth proportional to 3,579, 4,941.45 and 2,184.18 is: 3,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579 : 4,941.45 = 2,184.18 : x
  2. Step 2: Convert to fraction form
    3,579/4,941.45 = 2,184.18/x
  3. Step 3: Cross multiply
    3,579x = 4,941.45 × 2,184.18
  4. Step 4: Simplify right side
    3,579x = 10,793,016.26
  5. Step 5: Solve for x
    x = 10,793,016.26/3,579
  6. Step 6: Final answer
    x = 3,015.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.